Question

como resolver, log 25√25?

Answer 1

$log_{25}\sqrt{25} = log_{25}25^{\frac{1}{2}} = \frac{1}{2} \cdot log_{25}25 = \frac{1}{2} \cdot 1 = \boxed{\frac{1}{2}}$

Answer 2

log 25√25?
log V25  = x
     25

25^x = V25

(5^2)^x =  5

5^2x = 5^1

2x = 1 ==> x = 1/2